答复: 答复: Broadcom NIC, MPTable and APIC ID for HDAMA [PMX:#]

[YhLu]

The arima's PCI-X ioapic is poorly connected.

-----邮件原件-----
发件人: Li-Ta Lo [mailto:[e-mail]] 
发送时间: 2004年4月16日 14:42
收件人: YhLu
抄送: Eric Biederman; LinuxBIOS
主题: Re: 答复: Broadcom NIC, MPTable and APIC ID for HDAMA [PMX:#]

On Fri, 2004-04-16 at 11:21, YhLu wrote:
> That's decided by HW.

Do you mean even the device is behind the PCIX bridge, it's
IRQ is not routed by the APIC on the bridge ?

Ollie
> YH
>
> -----邮件原件-----
> 发件人: Li-Ta Lo [mailto:[e-mail]] 
> 发送时间: 2004年4月16日 10:07
> 收件人: Eric Biederman; LinuxBIOS
> 主题: Broadcom NIC, MPTable and APIC ID for HDAMA
>
> Eric,
>
> The broadcom nic on hdama is connected behind the 8131.
> So the IRQ should be routed by the APIC on 8131, right ?
> But in the current mptable.c it is
>
> /* PCI Ints:	     Type	Polarity	      
>    	     Trigger
>    	     Bus ID      PCIDEVNUM|IRQ  APIC ID PIN# */
>    /* On board nics */
> smp_write_intsrc(mc, mp_INT,   		 
>    	 MP_IRQ_TRIGGER_DEFAULT|MP_IRQ_POLARITY_DEFAULT,
>    	 bus_8131_1, (0x03<<2)|0, 0x02, 0x13);
> smp_write_intsrc(mc, mp_INT,    
>    	 MP_IRQ_TRIGGER_DEFAULT|MP_IRQ_POLARITY_DEFAULT,
> bus_8131_1,
> (0x04<<2)|0, 0x02, 0x13);
>
> The IRQ is routed by APIC #2 which is in 8111. Is it correct ?
> Why is it still working ?
>
> Ollie
>
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